Our previous news articles discussed the safety risks encountered by early geothermal drillers in California. They experienced burn hazards and jeopardized well control due to high temperature drilling fluid. These risks are still a problem today for both geothermal and HPHT drilling alike. By reducing the suction and flowline temperatures, these operations are made safer.…

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After the first use of the Geo-CoolerTM in 1977, Elwood’s mud coolers were used throughout the rest of the 70’s and 80’s for geothermal projects in California. The engineers and company men involved in these geothermal wells later became the HTHP oil and gas drillers of the early 90s. Due to their experience with the…

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